<!DOCTYPE html>
<html lang="en">
<head>
	<meta charset="UTF-8">
	<title>test2</title>
	<link rel="stylesheet" href="test4.css">
</head>
<body>
	<div class="box-set">
		<div class="box box-1">Box 1</div>
		<div class="box box-2">Box 2</div>
		<div class="box box-3">Box 3</div>
		<div class="box box-4">Box 4</div>
	</div>
 
</body>
</html>